Lancaster weather in April: Lancaster, Pennsylvania: normal highs, lows, rain and records for April
Lancaster in April has a normal high of 64°F and a normal low of 40°F, a daily mean of 52°F, rising from 58°F on the 1st to 69°F by the 30th. Measurable precipitation falls on 12 days in a normal April, 3.34 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 4°C, 85 mm of precipitation in April.
- NOAA stationLancaster Airport
- Station IDUSW00054737
- Location40.12°N 76.29°W
- Elevation403 ft (123 m)
- From the center5 miles
- Population58,441
- Jan 40° 22°
- Feb 42° 23°
- Mar 52° 31°
- Apr 64° 40°
- May 74° 50°
- Jun 82° 60°
- Jul 86° 65°
- Aug 85° 63°
- Sep 78° 56°
- Oct 66° 44°
- Nov 54° 34°
- Dec 44° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lancaster in April?
The normal high is 64°F and the normal low 40°F, for a daily mean of 51.8°F. April is 10.7°F warmer than March and 10.2°F cooler than May. April is the 7th warmest month of the year in Lancaster and the 7th wettest. Across the month the normal high rises 11°F, from 58°F on April 1 to 69°F on April 30. From one year to the next April's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 50°F and 54°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 42%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 58°F | 35°F | 39% | 22% |
| April 8 | 61°F | 38°F | 39% | 23% |
| April 15 | 63°F | 40°F | 40% | 23% |
| April 22 | 66°F | 42°F | 41% | 24% |
| April 30 | 69°F | 45°F | 42% | 24% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 58°F | 35°F | 39% | 22% | 12 h 40 min |
| April 2 | 58°F | 36°F | 39% | 22% | 12 h 40 min |
| April 3 | 59°F | 36°F | 39% | 22% | 12 h 40 min |
| April 4 | 59°F | 36°F | 39% | 22% | 12 h 50 min |
| April 5 | 59°F | 37°F | 39% | 22% | 12 h 50 min |
| April 6 | 60°F | 37°F | 39% | 22% | 12 h 50 min |
| April 7 | 60°F | 37°F | 39% | 23% | 12 h 50 min |
| April 8 | 61°F | 38°F | 39% | 23% | 13 h |
| April 9 | 61°F | 38°F | 40% | 23% | 13 h |
| April 10 | 61°F | 38°F | 40% | 23% | 13 h |
| April 11 | 62°F | 39°F | 40% | 23% | 13 h |
| April 12 | 62°F | 39°F | 40% | 23% | 13 h 10 min |
| April 13 | 63°F | 39°F | 40% | 23% | 13 h 10 min |
| April 14 | 63°F | 40°F | 40% | 23% | 13 h 10 min |
| April 15 | 63°F | 40°F | 40% | 23% | 13 h 10 min |
| April 16 | 64°F | 40°F | 40% | 23% | 13 h 20 min |
| April 17 | 64°F | 40°F | 40% | 23% | 13 h 20 min |
| April 18 | 65°F | 41°F | 40% | 23% | 13 h 20 min |
| April 19 | 65°F | 41°F | 41% | 23% | 13 h 20 min |
| April 20 | 65°F | 42°F | 41% | 24% | 13 h 30 min |
| April 21 | 66°F | 42°F | 41% | 24% | 13 h 30 min |
| April 22 | 66°F | 42°F | 41% | 24% | 13 h 30 min |
| April 23 | 67°F | 43°F | 41% | 24% | 13 h 30 min |
| April 24 | 67°F | 43°F | 42% | 24% | 13 h 40 min |
| April 25 | 67°F | 43°F | 42% | 24% | 13 h 40 min |
| April 26 | 68°F | 44°F | 42% | 24% | 13 h 40 min |
| April 27 | 68°F | 44°F | 42% | 24% | 13 h 40 min |
| April 28 | 68°F | 44°F | 42% | 24% | 13 h 50 min |
| April 29 | 69°F | 45°F | 42% | 24% | 13 h 50 min |
| April 30 | 69°F | 45°F | 42% | 24% | 13 h 50 min |
- Normal high
- 64°FApril average
- Normal low
- 40°FApril average
- Precipitation
- 3.34 inmonth total
- Days with precipitation
- 120.01 inch or more
- Nights at 32°F or colder
- 4
- Daylight
- 12 h 40 min to 13 h 50 minApril 1 to April 30
- Days at 70°F or more
- 8
- Days at 80°F or more
- 2
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00054737; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Lancaster in April?
On a given April day the chance of 0.01 inch or more is 40% on average, highest around April 30 (42%). In all, 3.34 in falls on 12 days of a normal April, 1 of them with an inch or more.
In a normal April in Lancaster, 4 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00054737.
What are the records for April in Lancaster?
The warmest April temperature on this station's record (since 1999) is 90°F, on April 17, 2002; the coldest is 21°F, on April 6, 2016. The wettest April brought 6.39 in (2011).
The April mean against the 1991-2020 normal of 51.8°F: 2021 53.5°F (+1.7), 2022 51.3°F (−0.5), 2023 56.5°F (+4.7), 2024 55.1°F (+3.3), 2025 53.6°F (+1.8), 2026 54.6°F (+2.8). 5 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 53.5°F | +1.7°F | 2.60 in |
| 2022 | 51.3°F | −0.5°F | 3.32 in |
| 2023 | 56.5°F | +4.7°F | 3.36 in |
| 2024 | 55.1°F | +3.3°F | 4.53 in |
| 2025 | 53.6°F | +1.8°F | 2.45 in |
| 2026 | 54.6°F | +2.8°F | 1.96 in |
Source: records: ACIS, station USW00054737; recent months: ACIS, station USW00054737. Records and recent months use complete months only.
How does April in Lancaster compare across Pennsylvania?
Across the 108 places PlainClimate covers in Pennsylvania, April normal highs run from 54°F in Laporte to 67°F in Schenley; Lancaster's is 64°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.